The Seat,helical Compression Spring, cataloged under National Stock Number 5340-00-346-4078, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Honeywell International Inc. Div Aerospace - Torrance (CAGE 70210) |
| Parameter | Value |
|---|---|
| NSN | 5340-00-346-4078 |
| Primary Part Number | 96900 |
| Item Name | Seat,helical Compression Spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 96900 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 96900 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 5340-00-346-4078 is a Seat,helical Compression Spring, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-346-4078 has 1 manufacturer part number on file: 96900 (Honeywell International Inc. Div Aerospace - Torrance).
3 possible matches (shared part number, not a government interchangeability claim): 5995-01-061-0273, 5360-01-156-5074, 3020-01-268-0285. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.